Finding the Fourth Proportional to 774,207.52, 1,068,378.84 and 434,690.08
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Solution
The fourth proportional to 774,207.52, 1,068,378.84 and 434,690.08 is: 599,856.85
Step by Step Solution
- Step 1: Write the proportion equation
774,207.52 : 1,068,378.84 = 434,690.08 : x - Step 2: Convert to fraction form
774,207.52/1,068,378.84 = 434,690.08/x - Step 3: Cross multiply
774,207.52x = 1,068,378.84 × 434,690.08 - Step 4: Simplify right side
774,207.52x = 464,413,683,429.91 - Step 5: Solve for x
x = 464,413,683,429.91/774,207.52 - Step 6: Final answer
x = 599,856.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.